11538-2030 B  1709AB

 
 
11H 53M 50.20S -20 30' 17.0" P.A. 228 SEP 0.4 MAG 9.81,9.98 SP F3V
 
 
Coord 2000
11538-2030
Discov num
B  1709
Comp
AB
Coord arcsec 2000
11 53 50.20 -20 30 17.0
Date first
1929
Date last
1991
Obs
5
Pa first
208
Pa last
228
P.A. Now (θ)
228°
Sep first
0.8
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
9.81
Mag sec
9.98
delta mag (ΔM)
0.17
Spectral class
F3V (yellow-white)
Pri motion ra
-036
Sec motion ra
-036
Pri motion dec
-005
Sec motion dec
-005
Notes
Nature of this double is uncertain.
 
 
11538-2030 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 180275 11538-2030 B 1709 AB 1929 1991 5 228 0.4 9.81 9.98 0.17 <===
Show 180275 11538-2030 B 1709 AC 1929 1999 5 296 4.2 9.81 13.40 3.59
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Crater
SAO
180275
Tycho2
6099-01235-1
HD
103329
last precise pa
227.6
last precise sep
0.37